For the 'pi' program. Basically you will specify it through the commandline interface.On Wed, Sep 25, 2013 at 6:17 PM, xeon <[EMAIL PROTECTED]> wrote:

> In yarn 2.0.5, where I set this?>> On 09/25/2013 11:16 PM, Shahab Yunus wrote:>> Have you tried setting *mapred.reduce.tasks *property?>> Regards,> Shahab>>> On Wed, Sep 25, 2013 at 6:01 PM, xeon <[EMAIL PROTECTED]> wrote:>>> is it possible to set the number of reduce tasks in the wordcount example>> when I launch the job by command line?>>>> Thanks>>>>>

Or else you can set the property mapreduce.job.reduces in mapred-site.xmlmapreduce.job.reduces 1 The default number of reduce tasks per job. Typically set to 99% of the cluster's reduce capacity, so that if a node fails the reduces can still be executed in a single wave. Ignored when mapreduce.jobtracker.address is "local".On Sep 25, 2013, at 3:17 PM, xeon <[EMAIL PROTECTED]> wrote:

> In yarn 2.0.5, where I set this?> > On 09/25/2013 11:16 PM, Shahab Yunus wrote:>> Have you tried setting mapred.reduce.tasks property?>> >> Regards,>> Shahab>> >> >> On Wed, Sep 25, 2013 at 6:01 PM, xeon <[EMAIL PROTECTED]> wrote:>> is it possible to set the number of reduce tasks in the wordcount example when I launch the job by command line?>> >> Thanks>> >

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